Initial implementation of logDiffIfDirty

README.md

@@ -359,6 +359,24 @@ Note that it is generally bad practice to modify your branch
 in a CI Pipeline. However there are exceptions where this might
 be needed. (use with care).
 
+_**required:** `false`_
+_**default:** false_
+
+#### logDiffIfDirty
+
+Print a summary of changed files if the branch is determined to be dirty.
+This can be useful in debugging the reason your project files changed unexpectedly.
+This option works independently of `allowDirtyBuild`.
+
+```yaml
+- uses: webbertakken/unity-builder@<version>
+  with:
+    logDiffIfDirty: true
+```
+
+_**required:** `false`_
+_**default:** false_
+
 #### customParameters
 
 Custom parameters to configure the build.